php实例-对象与类

<?php
class person{
public $name;
public $gender;
public function say(){
echo $this->name,"\tis",$this->gender,"\r\n" ;
}
}

class family{
public $people;
public $location;
public function __construct($p,$loc){               //显示声明一个构造方法且带参数
$this->people = $p;
$this->location = $loc;
}
}

$student = new person();
$student -> name = 'Tom';
$student -> gender = 'male';
$student -> say();
$tom = new family($student,'peking');
echo serialize($student);
$student_arr = array('name'=>'Tom','gender'=>'male');
echo "\n";
echo serialize($student_arr);
print_r($tom);
echo "\n";
echo serialize($tom);
?>